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    CVE-2021-38203

    btrfs in the Linux kernel before 5.13.4 allows attackers to cause a denial of service (deadlock) via processes that trigger allocation of new system chunks during times when there is a shortage of free space in the system space_info.

    Published:Jul 7, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 8, 2021
    EPSS Score:0.00052
    CVSS Score:5.5

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Netapp
    Product
    Element Software
    Vendor
    Netapp
    Product
    Hci Bootstrap Os
    Vendor
    Netapp
    Product
    Hci Compute Node
    Vendor
    Netapp
    Product
    Hci Management Node
    Vendor
    Netapp
    Product
    Hci Storage Node
    Vendor
    Netapp
    Product
    Solidfire

    Exploits

    https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947https://github.com/torvalds/linux/commit/1cb3db1cf383a3c7dbda1aa0ce748b0958759947

    Common Weakness Enumeration

    CWE-667 Improper Locking

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High